EcoFlow DELTA 2 Smart Extra Battery 1024Wh

At a Glance

• 1024Wh additional battery capacity
• LiFePO₄ / LFP battery chemistry
• Expands EcoFlow DELTA 2 capacity from 1024Wh to 2048Wh
• Compatible with EcoFlow DELTA 2
• Compatible with EcoFlow DELTA 3 Plus
• Charges and discharges together with the connected DELTA 2
• Built-in battery status display
• EcoFlow app monitoring
• Internal accessory storage compartment
• DELTA 2 Extra Battery Cable included
• Cannot be used independently
• 5-year EcoFlow warranty

Short Description

The EcoFlow DELTA 2 Smart Extra Battery is a 1024Wh LiFePO₄ expansion battery designed to increase the available energy storage of compatible EcoFlow DELTA portable power stations, including DELTA 2 and DELTA 3 Plus.

Why Choose This EcoFlow

The DELTA 2 Smart Extra Battery provides a convenient way to add more stored energy to a compatible EcoFlow portable power system without purchasing another standalone power station.

When connected to a DELTA 2, it increases total system capacity from 1024Wh to 2048Wh, providing longer runtime for compatible devices and appliances.

The main power station and extra battery work together as one connected system, while the built-in display and EcoFlow app make it easy to monitor battery status.

EcoFlow South Africa also confirms the DELTA 2 Extra Battery as a supported expansion battery for DELTA 3 Plus, giving existing owners additional flexibility when upgrading their EcoFlow system.

Best For

• Expanding EcoFlow DELTA 2 battery capacity
• EcoFlow DELTA 3 Plus expansion
• Longer home backup runtime
• Load-shedding backup
• Work-from-home power systems
• Extended outdoor power
• Camping and overlanding
• Emergency backup systems
• Existing DELTA 2 owners requiring more stored energy
• Users building an expandable EcoFlow power system

Product Description

The EcoFlow DELTA 2 Smart Extra Battery is a 1024Wh LiFePO₄ expansion battery designed for use with compatible EcoFlow portable power stations.

When connected to an EcoFlow DELTA 2, it increases total available capacity from 1024Wh to 2048Wh.

The DELTA 2 and Smart Extra Battery charge and discharge together as a connected system. When paired with DELTA 2, the system can be recharged through compatible AC charging, portable solar panels or an EcoFlow Smart Generator.

EcoFlow South Africa states that when used with DELTA 2 and AC input, the connected system can charge from 0–80% in approximately 70 minutes and from 0–100% in approximately 120 minutes.

Battery information including battery percentage, remaining recharge time and estimated operating time can be viewed on the built-in display. Battery status can also be monitored through the EcoFlow app.

The battery includes an integrated storage compartment for convenient storage of compatible accessories.

The DELTA 2 Smart Extra Battery cannot be used independently and must be connected to a compatible EcoFlow portable power station.

Key Features

• 1024Wh Extra Capacity: Adds an additional 1024Wh of energy storage to a compatible EcoFlow system.
• LiFePO₄ Battery: Uses lithium iron phosphate battery chemistry.
• 2048Wh DELTA 2 System: Expands DELTA 2 from 1024Wh to a combined 2048Wh capacity.
• DELTA 2 Compatible: Designed to expand the EcoFlow DELTA 2.
• DELTA 3 Plus Compatible: Supported by EcoFlow as an extra battery option for DELTA 3 Plus.
• Linked Operation: Charges and discharges together with DELTA 2 when connected.
• Flexible Recharging: A connected DELTA 2 system can be recharged using AC power, compatible portable solar panels or an EcoFlow Smart Generator.
• Fast DELTA 2 System Charging: EcoFlow states approximately 70 minutes from 0–80% and approximately 120 minutes from 0–100% using DELTA 2 with AC input.
• Built-In Display: Provides important battery and charging information.
• EcoFlow App Monitoring: Allows battery status to be monitored through the EcoFlow app.
• Internal Storage: Integrated compartment provides convenient accessory storage.
• Extra Battery Cable Included: Supplied with a DELTA 2 Extra Battery Cable.
• 5-Year Warranty: Backed by EcoFlow's official 5-year warranty.

Specifications

Charging & Operation

The DELTA 2 Smart Extra Battery cannot be charged or used independently. It operates as part of a compatible EcoFlow portable power system.

When Connected to EcoFlow DELTA 2

The DELTA 2 and Smart Extra Battery charge and discharge together.

The connected system can be recharged using:

• AC power
• Compatible portable solar panels
• EcoFlow Smart Generator

AC Charging with DELTA 2

EcoFlow states:

• Approximately 0–80% in 70 minutes
• Approximately 0–100% in 120 minutes

These charging times apply when the Smart Extra Battery is connected to the EcoFlow DELTA 2 and the system is charged using AC input.

Actual charging time may vary depending on battery level, temperature, charging conditions and system use.

Expanded Capacity

With EcoFlow DELTA 2

DELTA 2 Capacity: 1024Wh

DELTA 2 Smart Extra Battery: 1024Wh

Combined System Capacity: 2048Wh

The DELTA 2 and DELTA 2 Smart Extra Battery operate together as one connected battery system.

Compatibility

The EcoFlow DELTA 2 Smart Extra Battery is designed for selected EcoFlow DELTA portable power stations.

Compatible With

• EcoFlow DELTA 2 – Expands the total system capacity from 1024Wh to 2048Wh.
• EcoFlow DELTA 3 Plus – Compatible as an additional battery expansion option.

Not Compatible With

• EcoFlow DELTA 2 Max
• EcoFlow DELTA 3 Max
• EcoFlow DELTA 3 Ultra Plus

For DELTA 3 Max or DELTA 3 Ultra Plus systems, use the battery expansion solution specified for those models.

The DELTA 3 Ultra Plus supports expansion using an EcoFlow DELTA Pro 3 Smart Extra Battery together with the compatible EcoFlow Smart Extra Battery Expansion Adapter.

Important: The DELTA 2 Smart Extra Battery cannot be used independently. It must be connected to a compatible EcoFlow portable power station.

Always check the exact EcoFlow power station model before purchasing an extra battery.

Battery Monitoring

The built-in display provides useful battery information, including:

• Battery percentage
• Remaining recharge time
• Estimated operating time

Battery status can also be monitored through the EcoFlow app when the Smart Extra Battery is connected to a compatible EcoFlow system.

Internal Storage Compartment

The DELTA 2 Smart Extra Battery includes an integrated storage compartment for convenient storage of compatible accessories.

What’s in the Box

• 1 × EcoFlow DELTA 2 Smart Extra Battery
• 1 × DELTA 2 Extra Battery Cable
• 1 × User Manual
• 1 × Warranty Card

Warranty

5-Year EcoFlow Limited Warranty

Sustainability

The EcoFlow DELTA 2 Smart Extra Battery uses LiFePO₄ battery chemistry.